Advice me a POWERBANK

[fahad619]

Guys,suggest me a powerbank which i will use for my future nexus 2013 tablet.
i have found some powerbanks which have 20000mah at about 20$.which i think r really cheap comparing others which price r 40$.what is ur say?

What i want:
Performace
Quality
Durability
Branded(must have warranty)

pls suggest those powerbank which r available from amazon.

BYEE

 

[Stephanie]

I don't use a Tablet but - http://www.amazon.co.uk/s/ref=nb_sb...apacity+Dual-Port+External+Battery+Power+Bank